Commercial Data Collection and Analysis
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Questions and Answers

Which of the following best describes a continuous quantitative random variable?

  • Can only take on whole number values
  • Takes on distinct values within a given range
  • Can take on any value within a specified range (correct)
  • Can only be measured in categories

What is an example of a ratio-level quantitative random variable?

  • Weight of a person (correct)
  • Blood type
  • Eye color
  • Gender

Which of the following is NOT a characteristic of a discrete quantitative random variable?

  • Values are countable
  • Has distinct, separate values
  • Can take on any value within a range (correct)
  • Can take on whole number values

What are four reasonable observed values for a discrete quantitative random variable?

<p>$1, 2, 3, 4$ (A)</p> Signup and view all the answers

In terms of measurement levels, which of the following best describes a qualitative variable?

<p>Only exists in categories or groups (B)</p> Signup and view all the answers

Which of the following is an example of a qualitative variable?

<p>Types of fruits (e.g., apple, banana, orange) (C)</p> Signup and view all the answers

What distinguishes a ratio-level quantitative random variable from an interval-level quantitative random variable?

<p>Interval-level variables have a true zero point (D)</p> Signup and view all the answers

'Discrete' in 'discrete quantitative random variable' means:

<p>'Countable' (D)</p> Signup and view all the answers

'Levels of measurement' typically categorize variables based on their:

<p>'Type of data' (A)</p> Signup and view all the answers

'Quantitative variables' are different from 'qualitative variables' in that they:

<p>'Represent numerical quantities' (D)</p> Signup and view all the answers

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